> I recently downloaded v3.0 beta and everything works well
> except the "export to csv" function. I get a fatal error that
> says "Call to undefined function: ob_clean() in ...\form.php on
> line 319"
>
> Any suggestions on what I need to adjust in the script to get
> this to work?

The problem is related to the PHP version, PHP version prior to 4.2.0 has not this function implemented.
This is a lack of documentation in version 3.0 beta, which is supposed to work with PHP version >= 4.0.5